Ham problem I need help

Ok I got a problem with hamachi, some people show up as Orange dots instead of green and I'm not able to communicate with them I googled for help but didn't find anything that solved my problem I realy need help with this because some of the people I have to duel against for tourneys etc. keep being an orange dot and so I can't duel them x.x

Unreachable status,means you can't connect to them,that problem solves on its own in time,or you can also do this,right click the player,go to details,Settings pa traffic Change and Allow All,if that doesnt work set it back on default and wait for it to fix itself.